Wohler A450 Combustion Analyzer (8390) Professional Set - 10,000 ppm

Professional-Grade Combustion Testing and Reporting With the Wöhler A450

The Wöhler A 450 is a smart, field-ready combustion analyzer designed for fast flue gas analysis, burner adjustment, and routine service work. Its icon-driven touchscreen interface is as intuitive as a smartphone, while built-in connectivity lets you view and manage readings on a phone or tablet—helpful when access is tight at the test location.

Built for Everyday Combustion Analysis

• Perform residential flue gas analysis for service and maintenance work

• Support burner tuning by calculating key combustion values and flue gas loss

• Measure differential pressure / gas pressure as part of setup and diagnostics

Key Specifications

• O₂ range: 0.0–21.0% (electrochemical)

• CO range (A 450): up to 10,000 ppm (sensor variant-dependent)

• Flue gas temperature: -20 to 800 °C

• Differential pressure: up to ±110 hPa (resolution 1 Pa)

Faster Workflow in the Field

• Large 5" color touchscreen displays up to 14 readings at once for quick decisions

• Simple “switch on – read off – done” operation with on-screen keyboard entry

• Graphic tools (like hotspot search/tuning guidance) to streamline adjustments